DM
AM
MKS3
PN(PW)
Keyboard assembly
[A]
[240]
Lower shield box
[260B]
[280]
[250C]
[260B]
[250A]
[250A]
[30]
[260B]
[250A]
[250B]
[250A]
[270B]
[270B]
[270B]
[250C]: Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y (EP600280)
[280]: Bind Head Tapping Screw-P 4.0 x 8 MFZN2BL (VB931600)
(Fig. 2)
Speaker R
(Tweeter)
Speaker R
(Woofer)
[250C]
[280]
[250C]
Speaker L
(Tweeter)
Speaker L
(Woofer)
[250C]
+
–
+
–
Battery cover assembly
[260A]
Lower case assembly
[260A]
[260A]
[260A]
[270A]
[270A]
[260A]
[260A]: Bind Head Tapping Screw-P 3.0 x 12 MFZN2Y (EP600300)
[270A]: Bind Head Tapping Screw-P 3.0 x 25 MFZN2Y (VK228100)
(Fig. 1)
DISASSEMBLY PROCEDURE
PSR-280/PSR-282
9
1.
Lower Case Assembly
1-1
Remove the battery cover assembly. (Fig. 1)
1-2
Remove the fifteen (15) screws marked [260A] and two
(2) screws marked [270A]. The lower case assembly can
then be removed. (Fig. 1)
2.
Circuit Board and Units on the Panel Asseembly
After removing the lower case assembly. (See Procedure 1.)
Remove the following screws, each circuit board and can be removed. (Fig. 2)
Circuit Board and Unit
DM
AM
PN(PW)
MKS3
Keyboard Assembly
[260B]
[240]
[250A]
[250B]
[A]
[30]
[270B]
Bind Head Tapping Screw-P 3.0 x 12 MFZN2Y
(EP600300)
Bind Head Tapping Screw-B 3.0 x 8 MFZN2Y
(EP600250)
Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y
(EP600280)
Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y
(EP600280)
Push Knob
(VQ218800)
Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y
(EP600280)
Bind Head Tapping Screw-P 3.0 x 25 MFZN2Y
(VK228100)
5
9
7
2
1
2
3
Ref. No.
Screw
QTY
